:root {
  font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;
  color: #213547;
  background-color: #f3f6ff;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: linear-gradient(180deg, #f4f7ff 0%, #eef3ff 100%);
}

* {
  box-sizing: border-box;
}
